Creamy Chicken and Mushroom Linguine

I whipped this up the other night. I found it light and flavorful because of the wonderful presence of freshly grated black pepper.  Ate it for lunch the next day as well and still enjoyed it. Great item to make frequently without having to buy complicated ingredients because most of the ingredients I already had. Whoohoo!

Ingredients

12 ounces whole-wheat linguine
1 tablespoon extra-virgin olive oil
2 cups sliced mixed mushrooms
3 large garlic cloves
1/2 cup dry sherry
2 cups low-fat milk
2 tablespoons white whole wheat flour or all-purpose flour
1/2 tablespoon salt
1 tablespoon freshly ground pepper
1 cup finely shredded Parmesan cheese, plus more for garnish
1 cup cooked shredded chicken